Zach Jackson vs. George Smith — Career Comparison

On the career pitching numbers, George Smith posted a stronger line than Zach Jackson. George Smith posted stronger numbers in ERA (3.89 vs 5.81) and WHIP (1.378 vs 1.566). By the career numbers, George Smith had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.